Compute the sample standard deviation for the given sample data values shown below:
4, 11, 6, 4, 20
a. 6.248
b. 6.979
c. 6.986
d. 7.942
e. 8.198
State the mode from the following histogram:
a. 5
b. 3
c. 1 and 3
d. 2, 4, and 6
e. 8
The value of the 17th percentile for the data set of $n = 30$ scores from 371 to 419 summarized by
stem and leaf plot is:
a. 379
b. 381.5
c. 401
d. 380
e. None of these
Stems | Leaves
37 | 14679
38 | 034578
39 | 12578
40 | 158999
41 | 12455789